boulevard, navigating historic pine trees planted in honor of the civil rights leader. in a city where three days of street clotsures are as welcome as a bad rash, remarkably all of l.a. seemed to rally behind this lengthy shuttle endeavour. >> and it arrived here at the science center without a single scratch. now after 123 million miles in orbit and 12 very challenges one here on earth, it's final mission is now complete. ben tracy, cbs news, los angeles. >> jeff: that is the "cbs evening news" tonight. later on cbs, 60 minutes. i'm jeff glor. cbs news in new york. scott pelley will be here tomorrow. good night captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org